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NHLBI TOPMed - Centers for Common Disease Genomics (CCDG): Massachusetts General Hospital Atrial Fibrillation (MGH AF) Study

ABSTRACT: NHLBI TOPMed - Centers for Common Disease Genomics (CCDG): Massachusetts General Hospital Atrial Fibrillation (MGH AF) Study

PROVIDER: PRJNA309734 | ENA |

REPOSITORIES: ENA

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MGH Atrial Fibrillation Study

Project description:The Massachusetts General Hospital (MGH) Atrial Fibrillation Study was initiated in 2001. The study has enrolled serial probands, unaffected and affected family members with atrial fibrillation. At enrollment participants undergo a structured interview to systematically capture their past medical history, AF treatments, and family history. An electrocardiogram is performed; the results of an echocardiogram are obtained; and blood samples are obtained. The Massachusetts General Hospital (MGH) Atrial Fibrillation Study is utilized in the following dbGaP substudies. To view genotypes, analysis, other molecular data, and derived variables collected in these substudies, please click on the following substudies below or in the "Substudies" box located on the right hand side of this top-level study page phs001001 Massachusetts General Hospital (MGH) Atrial Fibrillation Study. <ul> <li><a href="./study.cgi?study_id=phs001116">phs001116</a> MGH AF CHARGE-S</li> <li><a href="./study.cgi?study_id=phs001117">phs001117</a> MGH AF Exome Sequencing</li> <li><a href="./study.cgi?study_id=phs001118">phs001118</a> MGH AF Medical Resequencing</li> </ul>

| phs001001 | dbGaP

Massachusetts General Hospital Atrial Fibrillation Study

Project description:Massachusetts General Hospital Atrial Fibrillation Study

| PRJNA297616 | ENA

Single-cell profile of atrial human fibroblasts in cardiac arrhythmia atrial fibrillation (AF) - 10x

Project description:Atrial fibrillation (AF), the most common cardiac arrhythmia, is a major contributor to population mortality and morbidity. The goal of this study is to explore molecular mechanisms of the AF-induced profibrotic remodelling in human atrial fibroblasts (ACFs). Specifically, we assessed single-cell transcriptome of cultured human ACFs treated with calcitonin(CT) or vehicle (from 6 individual patients) and of freshly-isolated ACFs from patients with AF (4 individual patients) vs controls (4 individual patients). We found that ACF transcriptome was unaltered by CT in cultured ACFs, and identified 5 transcriptional clusters with 23 differentially expressed transcripts in AF in freshly-ioslated ACFs.

2020-07-10 | GSE148504 | GEO

Single-cell profile of atrial human fibroblasts in cardiac arrhythmia atrial fibrillation (AF) - SmartSeq2

Project description:Atrial fibrillation (AF), the most common cardiac arrhythmia, is a major contributor to population mortality and morbidity. The goal of this study is to explore molecular mechanisms of the AF-induced profibrotic remodelling in human atrial fibroblasts (ACFs). Specifically, we assessed single-cell transcriptome of cultured human ACFs treated with calcitonin(CT) or vehicle (from 6 individual patients) and of freshly-isolated ACFs from patients with AF (4 individual patients) vs controls (4 individual patients) (SR). We found that ACF transcriptome was unaltered by CT in cultured ACFs, and identified 5 transcriptional clusters with 23 differentially expressed transcripts in AF in freshly-ioslated ACFs.

2020-07-10 | GSE148506 | GEO

Characterization of feces in Atrial Fibrillation (AF) patients

Project description:Atrial Fibrillation (AF), an abnormal heart rhythm characterized by the rapid and irregular beating of the atria, is the most common arrhythmia with heavy global burdens. The present project aimed to characterized the feature of metabolites in feces of AF patients by using LC-MS.

2018-12-27 | ST001208 | MetabolomicsWorkbench

Genome-wide DNA methylation analysis in permanent atrial fibrillation

Project description:Atrial fibrillation (AF) is the most common sustained arrhythmia with increased risk of stroke and congestive heart failure. AF is a highly genetic heterogeneous disease, but a large proportion of AF cannot be explained by genetic variants only. Some risk factors of AF, tendentious heritable phenomenon, potentially reversible conditions and some subtypes without DNA sequence variation all indicate the participation of DNA methylation in the pathogenesis of AF. Bisulphite converted DNA from the 11 left atrium samples were hybridised to the Illumina Infinium 450k Human Methylation Beadchip GPL13534

2014-10-28 | E-GEOD-62727 | biostudies-arrayexpress

Comparison of atrial appendage tissues of patients with Valvular Heart Disease and patients with Valvular Heart Disease-Atrial Fibrillation

Project description:Atrial fibrillation (AF) is the most common heart arrhythmia disease. The greatest risk of atrial fibrillation is stroke, and stroke caused by valvular heart disease with atrial fibrillation (AF-VHD) is more serious. the development mechanism from VHD to AF-VHD is not yet clear. The research on expression profiles of lncRNA and mRNA is helpful to explore molecular mechanism in patients with valvular heart disease who develop atrial fibrillation.

2018-04-12 | GSE113013 | GEO

Genome-wide DNA methylation analysis in permanent atrial fibrillation

2014-10-28 | GSE62727 | GEO

Integrated Analysis of Dysregulated lncRNA and mRNA Expression profiles of myocardial sleevesof pulmonary veins in atrial fibrillation

Project description:Atrial fibrillation (AF) is currently the most prevalent arrhythmia worldwide.Recent clinical data implicate the additional contribution of non-coding RNAs in the pathogenesis of AFï¼which include microRNAs(miRNAs), endogenous small interfering RNAs, PIWIinteracting RNAs, and lncRNA. Notably, a growing number of lncRNAs have been implicated in disease etiology, although an association with AF has not been reported. In the present study, we conducted an integrated analysis of dysregulated lncRNA and mRNA expression profiles in myocardial sleevesof pulmonary veins between the patients who develop AF and the patients who were in normal sinus rhythm, which was performed using a second generation lncRNA microarrayï¼focusing specifically on the identification and characterization of lncRNAs and mRNA potentially involving in maintaining atrial fibrillation. We conducted an integrated analysis of myocardial sleeves of pulmonary veinsï¼PVsï¼from 12 patients (6 non-AF and 6AF) in our center, of which hypertension, diabetes, smoking and alcohol abuse were excluded, using a second generation lncRNA microarray

2016-01-16 | E-GEOD-76899 | biostudies-arrayexpress

Changes of ubiquitylated proteins in atrial fibrillation associated with heart valve disease: proteomics in human in left appendage tissue

Project description:Atrial fibrillation (AF) is the most common persistent arrhythmia that affect 1–2% of the general population. People with AF display an array of complications cardiogenic stroke and systemic embolism caused by hemodynamic instability and blood hypercoagulability in clinical practice. However, it’s still unclear whether and how ubiquitylated proteins react to AF in the left atrial appendage of patients with AF and valvular heart disease. This theory focuses on the changes of ubiquitylated proteins in atrial fibrillation associated with heart valve disease. We firstly widely analysis the proteins ubiquitination in patients with atrial fibrillation.

2021-12-24 | PXD030397 | Pride

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